<?php 
/* $Id$ */
/*
	system_routes_edit.php
	part of m0n0wall (http://m0n0.ch/wall)
	
	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
	All rights reserved.
	
	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:
	
	1. Redistributions of source code must retain the above copyright notice,
	   this list of conditions and the following disclaimer.
	
	2. Redistributions in binary form must reproduce the above copyright
	   notice, this list of conditions and the following disclaimer in the
	   documentation and/or other materials provided with the distribution.
	
	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	POSSIBILITY OF SUCH DAMAGE.
*/

##|+PRIV
##|*IDENT=page-system-staticroutes-editroute
##|*NAME=System: Static Routes: Edit route page
##|*DESCR=Allow access to the 'System: Static Routes: Edit route' page.
##|*MATCH=system_routes_edit.php*
##|-PRIV


require("guiconfig.inc");

if (!is_array($config['staticroutes']['route']))
	$config['staticroutes']['route'] = array();
if (!is_array($config['gateways']['gateway_item']))
	$config['gateways']['gateway_item'] = array();

staticroutes_sort();
$a_routes = &$config['staticroutes']['route'];
$a_gateways = &$config['gateways']['gateway_item'];

$id = $_GET['id'];
if (isset($_POST['id']))
	$id = $_POST['id'];

if (isset($_GET['dup'])) {
	$id = $_GET['dup'];
}

if (isset($id) && $a_routes[$id]) {
	list($pconfig['network'],$pconfig['network_subnet']) = 
		explode('/', $a_routes[$id]['network']);
	$pconfig['gateway'] = $a_routes[$id]['gateway'];
	$pconfig['descr'] = $a_routes[$id]['descr'];
}

if (isset($_GET['dup']))
	unset($id);

if ($_POST) {

	unset($input_errors);
	$pconfig = $_POST;

	/* input validation */
	$reqdfields = explode(" ", "network network_subnet gateway");
	$reqdfieldsn = explode(",", "目的网络,目的网络子网掩码,网关");		
	
	do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
	
	if (($_POST['network'] && !is_ipaddr($_POST['network']))) {
		$input_errors[] = "请输入有效的目的网络。";
	}
	if (($_POST['network_subnet'] && !is_numeric($_POST['network_subnet']))) {
		$input_errors[] = "请输入有效的目的网络子网掩码。";
	}
	if ($_POST['gateway'] && !is_ipaddr($_POST['gateway']))
		$input_errors[] = "请输入有效的网关。";

	/* check for overlaps */
	$osn = gen_subnet($_POST['network'], $_POST['network_subnet']) . "/" . $_POST['network_subnet'];
	foreach ($a_routes as $route) {
		if (isset($id) && ($a_routes[$id]) && ($a_routes[$id] === $route))
			continue;

		if ($route['network'] == $osn) {
			$input_errors[] = "到达该网络的路由已经存在。";
			break;
		}
	}

	if (!$input_errors) {
		$route = array();
		$route['network'] = $osn;
		$route['gateway'] = $_POST['gateway'];
		$route['descr'] = $_POST['descr'];

		if (isset($id) && $a_routes[$id])
			$a_routes[$id] = $route;
		else
			$a_routes[] = $route;
		
		touch($d_staticroutesdirty_path);
		
		write_config();
		
		header("Location: system_routes.php");
		exit;
	}
}

$pgtitle = array("网络设置","静态路由","路由编辑");
$pgmenu = array('network', '/system_routes.php');
include("head.inc");

?>

<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
<?php include("fbegin.inc"); ?>
<?php if ($input_errors) print_input_errors($input_errors); ?>
            <form action="system_routes_edit.php" method="post" name="iform" id="iform">
              <table width="100%" border="0" cellpadding="6" cellspacing="0">
				<tr>
					<td colspan="2" valign="top" class="listtopic">路由编辑</td>
				</tr>	
                <tr>
                  <td width="22%" valign="top" class="vncellreq">目的网络</td>
                  <td width="78%" class="vtable"> 
                    <input name="network" type="text" class="formfld unknown" id="network" size="20" value="<?=htmlspecialchars($pconfig['network']);?>"> 
				  / 
                    <select name="network_subnet" class="formselect" id="network_subnet">
                      <?php for ($i = 32; $i >= 1; $i--): ?>
                      <option value="<?=$i;?>" <?php if ($i == $pconfig['network_subnet']) echo "selected"; ?>>
                      <?=$i;?>
                      </option>
                      <?php endfor; ?>
                    </select>
                    <br> <span class="vexpl">该条路由要到达的目的网络</span></td>
                </tr>
                <tr> 
                  <td width="22%" valign="top" class="vncellreq">网关</td>
                  <td width="78%" class="vtable">
			<input type="text" name="gateway" class="formselect" value="<?=htmlspecialchars($pconfig['gateway']);?>">
                    </td>
                </tr>
		<tr>
                  <td width="22%" valign="top" class="vncell">描述</td>
                  <td width="78%" class="vtable"> 
                    <input name="descr" type="text" class="formfld unknown" id="descr" size="40" value="<?=htmlspecialchars($pconfig['descr']);?>">
                    <br> <span class="vexpl">您可以输入一些描述作为参考。</span></td>
                </tr>
                <tr>
                  <td width="22%" valign="top">&nbsp;</td>
                  <td width="78%"> 
                    <input name="Submit" type="submit" class="formbtn" value="保存"> <input type="button" value="取消" class="formbtn"  onclick="history.back()">
                    <?php if (isset($id) && $a_routes[$id]): ?>
                    <input name="id" type="hidden" value="<?=$id;?>">
                    <?php endif; ?>
                  </td>
                </tr>
              </table>
</form>
<?php include("fend.inc"); ?>
<script language="JavaScript">
	enable_change();
</script>
</body>
</html>
